You might also want to try the following:
www.onthehouse.com.au
I kind of gives an indicative price of the properties, might be useful if you are going for auctions.
Also, gives you records of any previous sales, if any.
I've had initial email exchanges with Oasis and did get a good first impression to appoint them as my BA however, we were rescheduled twice by them saying they have prior commitments to have a meeting.
The third time when on the day of the meeting I emailed asking whether there was car park in...